From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Hubbard Subject: [PATCH v6 04/24] mm: Cleanup __put_devmap_managed_page() vs ->page_free() Date: Tue, 19 Nov 2019 00:16:23 -0800 Message-ID: <20191119081643.1866232-5-jhubbard@nvidia.com> References: <20191119081643.1866232-1-jhubbard@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from hqemgate15.nvidia.com (hqemgate15.nvidia.com [216.228.121.64]) by gabe.freedesktop.org (Postfix) with ESMTPS id A28B06EC7D for ; Tue, 19 Nov 2019 08:16:52 +0000 (UTC) In-Reply-To: <20191119081643.1866232-1-jhubbard@nvidia.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Andrew Morton Cc: Michal Hocko , Jan Kara , kvm@vger.kernel.org, linux-doc@vger.kernel.org, David Airlie , Dave Chinner , dri-devel@lists.freedesktop.org, LKML , linux-mm@kvack.org, Paul Mackerras , linux-kselftest@vger.kernel.org, Ira Weiny , Christoph Hellwig , Jonathan Corbet , linux-rdma@vger.kernel.org, Michael Ellerman , Christoph Hellwig , Jason Gunthorpe , Vlastimil Babka , =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= , linux-media@vger.kernel.org, Shuah Khan , John Hubbard , linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Al Viro List-Id: dri-devel@lists.freedesktop.org RnJvbTogRGFuIFdpbGxpYW1zIDxkYW4uai53aWxsaWFtc0BpbnRlbC5jb20+CgpBZnRlciB0aGUg cmVtb3ZhbCBvZiB0aGUgZGV2aWNlLXB1YmxpYyBpbmZyYXN0cnVjdHVyZSB0aGVyZSBhcmUgb25s eSAyCi0+cGFnZV9mcmVlKCkgY2FsbCBiYWNrcyBpbiB0aGUga2VybmVsLiBPbmUgb2YgdGhvc2Ug aXMgYSBkZXZpY2UtcHJpdmF0ZQpjYWxsYmFjayBpbiB0aGUgbm91dmVhdSBkcml2ZXIsIHRoZSBv dGhlciBpcyBhIGdlbmVyaWMgd2FrZXVwIG5lZWRlZCBpbgp0aGUgREFYIGNhc2UuIEluIHRoZSBo b3BlcyB0aGF0IGFsbCAtPnBhZ2VfZnJlZSgpIGNhbGxiYWNrcyBjYW4gYmUKbWlncmF0ZWQgdG8g Y29tbW9uIGNvcmUga2VybmVsIGZ1bmN0aW9uYWxpdHksIG1vdmUgdGhlIGRldmljZS1wcml2YXRl CnNwZWNpZmljIGFjdGlvbnMgaW4gX19wdXRfZGV2bWFwX21hbmFnZWRfcGFnZSgpIHVuZGVyIHRo ZQppc19kZXZpY2VfcHJpdmF0ZV9wYWdlKCkgY29uZGl0aW9uYWwsIGluY2x1ZGluZyB0aGUgLT5w YWdlX2ZyZWUoKQpjYWxsYmFjay4gRm9yIHRoZSBvdGhlciBwYWdlIHR5cGVzIGp1c3Qgb3Blbi1j b2RlIHRoZSBnZW5lcmljIHdha2V1cC4KClllcywgdGhlIHdha2V1cCBpcyBvbmx5IG5lZWRlZCBp biB0aGUgTUVNT1JZX0RFVklDRV9GU0RBWCBjYXNlLCBidXQgaXQKZG9lcyBubyBoYXJtIGluIHRo ZSBNRU1PUllfREVWSUNFX0RFVkRBWCBhbmQgTUVNT1JZX0RFVklDRV9QQ0lfUDJQRE1BCmNhc2Uu CgpDYzogSmFuIEthcmEgPGphY2tAc3VzZS5jej4KQ2M6IENocmlzdG9waCBIZWxsd2lnIDxoY2hA bHN0LmRlPgpDYzogSXJhIFdlaW55IDxpcmEud2VpbnlAaW50ZWwuY29tPgpSZXZpZXdlZC1ieTog Q2hyaXN0b3BoIEhlbGx3aWcgPGhjaEBsc3QuZGU+ClJldmlld2VkLWJ5OiBKw6lyw7RtZSBHbGlz c2UgPGpnbGlzc2VAcmVkaGF0LmNvbT4KU2lnbmVkLW9mZi1ieTogRGFuIFdpbGxpYW1zIDxkYW4u ai53aWxsaWFtc0BpbnRlbC5jb20+ClNpZ25lZC1vZmYtYnk6IEpvaG4gSHViYmFyZCA8amh1YmJh cmRAbnZpZGlhLmNvbT4KLS0tCiBkcml2ZXJzL252ZGltbS9wbWVtLmMgfCAgNiAtLS0tCiBtbS9t ZW1yZW1hcC5jICAgICAgICAgfCA4MCArKysrKysrKysrKysrKysrKysrKysrKystLS0tLS0tLS0t LS0tLS0tLS0tCiAyIGZpbGVzIGNoYW5nZWQsIDQ0IGluc2VydGlvbnMoKyksIDQyIGRlbGV0aW9u cygtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvbnZkaW1tL3BtZW0uYyBiL2RyaXZlcnMvbnZkaW1t L3BtZW0uYwppbmRleCBmOWY3NmY2YmEwN2IuLjIxZGIxY2U4YzBhZSAxMDA2NDQKLS0tIGEvZHJp dmVycy9udmRpbW0vcG1lbS5jCisrKyBiL2RyaXZlcnMvbnZkaW1tL3BtZW0uYwpAQCAtMzM4LDEz ICszMzgsNyBAQCBzdGF0aWMgdm9pZCBwbWVtX3JlbGVhc2VfZGlzayh2b2lkICpfX3BtZW0pCiAJ cHV0X2Rpc2socG1lbS0+ZGlzayk7CiB9CiAKLXN0YXRpYyB2b2lkIHBtZW1fcGFnZW1hcF9wYWdl X2ZyZWUoc3RydWN0IHBhZ2UgKnBhZ2UpCi17Ci0Jd2FrZV91cF92YXIoJnBhZ2UtPl9yZWZjb3Vu dCk7Ci19Ci0KIHN0YXRpYyBjb25zdCBzdHJ1Y3QgZGV2X3BhZ2VtYXBfb3BzIGZzZGF4X3BhZ2Vt YXBfb3BzID0gewotCS5wYWdlX2ZyZWUJCT0gcG1lbV9wYWdlbWFwX3BhZ2VfZnJlZSwKIAkua2ls bAkJCT0gcG1lbV9wYWdlbWFwX2tpbGwsCiAJLmNsZWFudXAJCT0gcG1lbV9wYWdlbWFwX2NsZWFu dXAsCiB9OwpkaWZmIC0tZ2l0IGEvbW0vbWVtcmVtYXAuYyBiL21tL21lbXJlbWFwLmMKaW5kZXgg MDNjY2JkZmViNjk3Li5lODk5ZmE4NzZhNjIgMTAwNjQ0Ci0tLSBhL21tL21lbXJlbWFwLmMKKysr IGIvbW0vbWVtcmVtYXAuYwpAQCAtMjcsNyArMjcsOCBAQCBzdGF0aWMgdm9pZCBkZXZtYXBfbWFu YWdlZF9lbmFibGVfcHV0KHZvaWQpCiAKIHN0YXRpYyBpbnQgZGV2bWFwX21hbmFnZWRfZW5hYmxl X2dldChzdHJ1Y3QgZGV2X3BhZ2VtYXAgKnBnbWFwKQogewotCWlmICghcGdtYXAtPm9wcyB8fCAh cGdtYXAtPm9wcy0+cGFnZV9mcmVlKSB7CisJaWYgKHBnbWFwLT50eXBlID09IE1FTU9SWV9ERVZJ Q0VfUFJJVkFURSAmJgorCSAgICAoIXBnbWFwLT5vcHMgfHwgIXBnbWFwLT5vcHMtPnBhZ2VfZnJl ZSkpIHsKIAkJV0FSTigxLCAiTWlzc2luZyBwYWdlX2ZyZWUgbWV0aG9kXG4iKTsKIAkJcmV0dXJu IC1FSU5WQUw7CiAJfQpAQCAtNDE0LDQ0ICs0MTUsNTEgQEAgdm9pZCBfX3B1dF9kZXZtYXBfbWFu YWdlZF9wYWdlKHN0cnVjdCBwYWdlICpwYWdlKQogewogCWludCBjb3VudCA9IHBhZ2VfcmVmX2Rl Y19yZXR1cm4ocGFnZSk7CiAKLQkvKgotCSAqIElmIHJlZmNvdW50IGlzIDEgdGhlbiBwYWdlIGlz IGZyZWVkIGFuZCByZWZjb3VudCBpcyBzdGFibGUgYXMgbm9ib2R5Ci0JICogaG9sZHMgYSByZWZl cmVuY2Ugb24gdGhlIHBhZ2UuCi0JICovCi0JaWYgKGNvdW50ID09IDEpIHsKLQkJLyogQ2xlYXIg QWN0aXZlIGJpdCBpbiBjYXNlIG9mIHBhcmFsbGVsIG1hcmtfcGFnZV9hY2Nlc3NlZCAqLwotCQlf X0NsZWFyUGFnZUFjdGl2ZShwYWdlKTsKLQkJX19DbGVhclBhZ2VXYWl0ZXJzKHBhZ2UpOworCS8q IHN0aWxsIGJ1c3kgKi8KKwlpZiAoY291bnQgPiAxKQorCQlyZXR1cm47CiAKLQkJbWVtX2Nncm91 cF91bmNoYXJnZShwYWdlKTsKKwkvKiBvbmx5IHRyaWdnZXJlZCBieSB0aGUgZGV2X3BhZ2VtYXAg c2h1dGRvd24gcGF0aCAqLworCWlmIChjb3VudCA9PSAwKSB7CisJCV9fcHV0X3BhZ2UocGFnZSk7 CisJCXJldHVybjsKKwl9CiAKLQkJLyoKLQkJICogV2hlbiBhIGRldmljZV9wcml2YXRlIHBhZ2Ug aXMgZnJlZWQsIHRoZSBwYWdlLT5tYXBwaW5nIGZpZWxkCi0JCSAqIG1heSBzdGlsbCBjb250YWlu IGEgKHN0YWxlKSBtYXBwaW5nIHZhbHVlLiBGb3IgZXhhbXBsZSwgdGhlCi0JCSAqIGxvd2VyIGJp dHMgb2YgcGFnZS0+bWFwcGluZyBtYXkgc3RpbGwgaWRlbnRpZnkgdGhlIHBhZ2UgYXMKLQkJICog YW4gYW5vbnltb3VzIHBhZ2UuIFVsdGltYXRlbHksIHRoaXMgZW50aXJlIGZpZWxkIGlzIGp1c3QK LQkJICogc3RhbGUgYW5kIHdyb25nLCBhbmQgaXQgd2lsbCBjYXVzZSBlcnJvcnMgaWYgbm90IGNs ZWFyZWQuCi0JCSAqIE9uZSBleGFtcGxlIGlzOgotCQkgKgotCQkgKiAgbWlncmF0ZV92bWFfcGFn ZXMoKQotCQkgKiAgICBtaWdyYXRlX3ZtYV9pbnNlcnRfcGFnZSgpCi0JCSAqICAgICAgcGFnZV9h ZGRfbmV3X2Fub25fcm1hcCgpCi0JCSAqICAgICAgICBfX3BhZ2Vfc2V0X2Fub25fcm1hcCgpCi0J CSAqICAgICAgICAgIC4uLmNoZWNrcyBwYWdlLT5tYXBwaW5nLCB2aWEgUGFnZUFub24ocGFnZSkg Y2FsbCwKLQkJICogICAgICAgICAgICBhbmQgaW5jb3JyZWN0bHkgY29uY2x1ZGVzIHRoYXQgdGhl IHBhZ2UgaXMgYW4KLQkJICogICAgICAgICAgICBhbm9ueW1vdXMgcGFnZS4gVGhlcmVmb3JlLCBp dCBpbmNvcnJlY3RseSwKLQkJICogICAgICAgICAgICBzaWxlbnRseSBmYWlscyB0byBzZXQgdXAg dGhlIG5ldyBhbm9uIHJtYXAuCi0JCSAqCi0JCSAqIEZvciBvdGhlciB0eXBlcyBvZiBaT05FX0RF VklDRSBwYWdlcywgbWlncmF0aW9uIGlzIGVpdGhlcgotCQkgKiBoYW5kbGVkIGRpZmZlcmVudGx5 IG9yIG5vdCBkb25lIGF0IGFsbCwgc28gdGhlcmUgaXMgbm8gbmVlZAotCQkgKiB0byBjbGVhciBw YWdlLT5tYXBwaW5nLgotCQkgKi8KLQkJaWYgKGlzX2RldmljZV9wcml2YXRlX3BhZ2UocGFnZSkp Ci0JCQlwYWdlLT5tYXBwaW5nID0gTlVMTDsKKwkvKiBub3RpZnkgcGFnZSBpZGxlIGZvciBkYXgg Ki8KKwlpZiAoIWlzX2RldmljZV9wcml2YXRlX3BhZ2UocGFnZSkpIHsKKwkJd2FrZV91cF92YXIo JnBhZ2UtPl9yZWZjb3VudCk7CisJCXJldHVybjsKKwl9CiAKLQkJcGFnZS0+cGdtYXAtPm9wcy0+ cGFnZV9mcmVlKHBhZ2UpOwotCX0gZWxzZSBpZiAoIWNvdW50KQotCQlfX3B1dF9wYWdlKHBhZ2Up OworCS8qIENsZWFyIEFjdGl2ZSBiaXQgaW4gY2FzZSBvZiBwYXJhbGxlbCBtYXJrX3BhZ2VfYWNj ZXNzZWQgKi8KKwlfX0NsZWFyUGFnZUFjdGl2ZShwYWdlKTsKKwlfX0NsZWFyUGFnZVdhaXRlcnMo cGFnZSk7CisKKwltZW1fY2dyb3VwX3VuY2hhcmdlKHBhZ2UpOworCisJLyoKKwkgKiBXaGVuIGEg ZGV2aWNlX3ByaXZhdGUgcGFnZSBpcyBmcmVlZCwgdGhlIHBhZ2UtPm1hcHBpbmcgZmllbGQKKwkg KiBtYXkgc3RpbGwgY29udGFpbiBhIChzdGFsZSkgbWFwcGluZyB2YWx1ZS4gRm9yIGV4YW1wbGUs IHRoZQorCSAqIGxvd2VyIGJpdHMgb2YgcGFnZS0+bWFwcGluZyBtYXkgc3RpbGwgaWRlbnRpZnkg dGhlIHBhZ2UgYXMgYW4KKwkgKiBhbm9ueW1vdXMgcGFnZS4gVWx0aW1hdGVseSwgdGhpcyBlbnRp cmUgZmllbGQgaXMganVzdCBzdGFsZQorCSAqIGFuZCB3cm9uZywgYW5kIGl0IHdpbGwgY2F1c2Ug ZXJyb3JzIGlmIG5vdCBjbGVhcmVkLiAgT25lCisJICogZXhhbXBsZSBpczoKKwkgKgorCSAqICBt aWdyYXRlX3ZtYV9wYWdlcygpCisJICogICAgbWlncmF0ZV92bWFfaW5zZXJ0X3BhZ2UoKQorCSAq ICAgICAgcGFnZV9hZGRfbmV3X2Fub25fcm1hcCgpCisJICogICAgICAgIF9fcGFnZV9zZXRfYW5v bl9ybWFwKCkKKwkgKiAgICAgICAgICAuLi5jaGVja3MgcGFnZS0+bWFwcGluZywgdmlhIFBhZ2VB bm9uKHBhZ2UpIGNhbGwsCisJICogICAgICAgICAgICBhbmQgaW5jb3JyZWN0bHkgY29uY2x1ZGVz IHRoYXQgdGhlIHBhZ2UgaXMgYW4KKwkgKiAgICAgICAgICAgIGFub255bW91cyBwYWdlLiBUaGVy ZWZvcmUsIGl0IGluY29ycmVjdGx5LAorCSAqICAgICAgICAgICAgc2lsZW50bHkgZmFpbHMgdG8g c2V0IHVwIHRoZSBuZXcgYW5vbiBybWFwLgorCSAqCisJICogRm9yIG90aGVyIHR5cGVzIG9mIFpP TkVfREVWSUNFIHBhZ2VzLCBtaWdyYXRpb24gaXMgZWl0aGVyCisJICogaGFuZGxlZCBkaWZmZXJl bnRseSBvciBub3QgZG9uZSBhdCBhbGwsIHNvIHRoZXJlIGlzIG5vIG5lZWQKKwkgKiB0byBjbGVh ciBwYWdlLT5tYXBwaW5nLgorCSAqLworCXBhZ2UtPm1hcHBpbmcgPSBOVUxMOworCXBhZ2UtPnBn bWFwLT5vcHMtPnBhZ2VfZnJlZShwYWdlKTsKIH0KIEVYUE9SVF9TWU1CT0woX19wdXRfZGV2bWFw X21hbmFnZWRfcGFnZSk7CiAjZW5kaWYgLyogQ09ORklHX0RFVl9QQUdFTUFQX09QUyAqLwotLSAK Mi4yNC4wCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpk cmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0 cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWw= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 45987C33CA1 for ; Tue, 19 Nov 2019 08:16:59 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 22FFB20878 for ; Tue, 19 Nov 2019 08:16:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 22FFB20878 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nvidia.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EDEAD6EC74; Tue, 19 Nov 2019 08:16:53 +0000 (UTC) Received: from hqemgate15.nvidia.com (hqemgate15.nvidia.com [216.228.121.64]) by gabe.freedesktop.org (Postfix) with ESMTPS id A28B06EC7D for ; Tue, 19 Nov 2019 08:16:52 +0000 (UTC) Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqemgate15.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Tue, 19 Nov 2019 00:16:49 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate102.nvidia.com (PGP Universal service); Tue, 19 Nov 2019 00:16:52 -0800 X-PGP-Universal: processed; by hqpgpgate102.nvidia.com on Tue, 19 Nov 2019 00:16:52 -0800 Received: from HQMAIL111.nvidia.com (172.20.187.18) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 19 Nov 2019 08:16:51 +0000 Received: from rnnvemgw01.nvidia.com (10.128.109.123) by HQMAIL111.nvidia.com (172.20.187.18) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Tue, 19 Nov 2019 08:16:50 +0000 Received: from blueforge.nvidia.com (Not Verified[10.110.48.28]) by rnnvemgw01.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Tue, 19 Nov 2019 00:16:50 -0800 From: John Hubbard To: Andrew Morton Subject: [PATCH v6 04/24] mm: Cleanup __put_devmap_managed_page() vs ->page_free() Date: Tue, 19 Nov 2019 00:16:23 -0800 Message-ID: <20191119081643.1866232-5-jhubbard@nvidia.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191119081643.1866232-1-jhubbard@nvidia.com> References: <20191119081643.1866232-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1574151409; bh=tsex47R2BQW/HRhxz4q5zTudp/GozzJHGnDF0/waCbA=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:X-NVConfidentiality: Content-Type:Content-Transfer-Encoding; b=gp1SuuI66a3PONdY/pqKkgxYKXOfezgEqAEr9rPrdLuGxPmHb7ilMqLVoaeHD4LnO ZjOI1t5XS/C/Zd4vfaPb6e4PxFYZcPVGzhnQn6daxkNy8pE+LwcG0RlPBTgCeoFHjY /ca2D2ugd937CcZf0TjAt7BKiWNaalp3qxkabhpRsGos3lC2tsq0Tkvf7SIp1EQYDp acQVpOBMk7yUosdu0ZzEij5vpFX7qw07GT5VLUlILc+RirOJmf/vf+u9VVR+7Lt/zK gxgQVPpYam3E+UzFTN2K5dhowUXmTUQ8b5vbBXVAUxeABfLOr/FQLMlkjVrw9hnVGZ ie08E2O4oknlg== X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Michal Hocko , Jan Kara , kvm@vger.kernel.org, linux-doc@vger.kernel.org, David Airlie , Dave Chinner , dri-devel@lists.freedesktop.org, LKML , linux-mm@kvack.org, Paul Mackerras , linux-kselftest@vger.kernel.org, Ira Weiny , Christoph Hellwig , Jonathan Corbet , linux-rdma@vger.kernel.org, Michael Ellerman , Christoph Hellwig , Jason Gunthorpe , Vlastimil Babka , =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= , linux-media@vger.kernel.org, Shuah Khan , John Hubbard , linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Al Viro , Dan Williams , Mauro Carvalho Chehab , Magnus Karlsson , Jens Axboe , netdev@vger.kernel.org, Alex Williamson , linux-fsdevel@vger.kernel.org, bpf@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, "David S . Miller" , Mike Kravetz Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Message-ID: <20191119081623.zcyuTnlGzH-qcxir8uWzC0U6GAqv-XSmCuqbXmC8jJ8@z> RnJvbTogRGFuIFdpbGxpYW1zIDxkYW4uai53aWxsaWFtc0BpbnRlbC5jb20+CgpBZnRlciB0aGUg cmVtb3ZhbCBvZiB0aGUgZGV2aWNlLXB1YmxpYyBpbmZyYXN0cnVjdHVyZSB0aGVyZSBhcmUgb25s eSAyCi0+cGFnZV9mcmVlKCkgY2FsbCBiYWNrcyBpbiB0aGUga2VybmVsLiBPbmUgb2YgdGhvc2Ug aXMgYSBkZXZpY2UtcHJpdmF0ZQpjYWxsYmFjayBpbiB0aGUgbm91dmVhdSBkcml2ZXIsIHRoZSBv dGhlciBpcyBhIGdlbmVyaWMgd2FrZXVwIG5lZWRlZCBpbgp0aGUgREFYIGNhc2UuIEluIHRoZSBo b3BlcyB0aGF0IGFsbCAtPnBhZ2VfZnJlZSgpIGNhbGxiYWNrcyBjYW4gYmUKbWlncmF0ZWQgdG8g Y29tbW9uIGNvcmUga2VybmVsIGZ1bmN0aW9uYWxpdHksIG1vdmUgdGhlIGRldmljZS1wcml2YXRl CnNwZWNpZmljIGFjdGlvbnMgaW4gX19wdXRfZGV2bWFwX21hbmFnZWRfcGFnZSgpIHVuZGVyIHRo ZQppc19kZXZpY2VfcHJpdmF0ZV9wYWdlKCkgY29uZGl0aW9uYWwsIGluY2x1ZGluZyB0aGUgLT5w YWdlX2ZyZWUoKQpjYWxsYmFjay4gRm9yIHRoZSBvdGhlciBwYWdlIHR5cGVzIGp1c3Qgb3Blbi1j b2RlIHRoZSBnZW5lcmljIHdha2V1cC4KClllcywgdGhlIHdha2V1cCBpcyBvbmx5IG5lZWRlZCBp biB0aGUgTUVNT1JZX0RFVklDRV9GU0RBWCBjYXNlLCBidXQgaXQKZG9lcyBubyBoYXJtIGluIHRo ZSBNRU1PUllfREVWSUNFX0RFVkRBWCBhbmQgTUVNT1JZX0RFVklDRV9QQ0lfUDJQRE1BCmNhc2Uu CgpDYzogSmFuIEthcmEgPGphY2tAc3VzZS5jej4KQ2M6IENocmlzdG9waCBIZWxsd2lnIDxoY2hA bHN0LmRlPgpDYzogSXJhIFdlaW55IDxpcmEud2VpbnlAaW50ZWwuY29tPgpSZXZpZXdlZC1ieTog Q2hyaXN0b3BoIEhlbGx3aWcgPGhjaEBsc3QuZGU+ClJldmlld2VkLWJ5OiBKw6lyw7RtZSBHbGlz c2UgPGpnbGlzc2VAcmVkaGF0LmNvbT4KU2lnbmVkLW9mZi1ieTogRGFuIFdpbGxpYW1zIDxkYW4u ai53aWxsaWFtc0BpbnRlbC5jb20+ClNpZ25lZC1vZmYtYnk6IEpvaG4gSHViYmFyZCA8amh1YmJh cmRAbnZpZGlhLmNvbT4KLS0tCiBkcml2ZXJzL252ZGltbS9wbWVtLmMgfCAgNiAtLS0tCiBtbS9t ZW1yZW1hcC5jICAgICAgICAgfCA4MCArKysrKysrKysrKysrKysrKysrKysrKystLS0tLS0tLS0t LS0tLS0tLS0tCiAyIGZpbGVzIGNoYW5nZWQsIDQ0IGluc2VydGlvbnMoKyksIDQyIGRlbGV0aW9u cygtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvbnZkaW1tL3BtZW0uYyBiL2RyaXZlcnMvbnZkaW1t L3BtZW0uYwppbmRleCBmOWY3NmY2YmEwN2IuLjIxZGIxY2U4YzBhZSAxMDA2NDQKLS0tIGEvZHJp dmVycy9udmRpbW0vcG1lbS5jCisrKyBiL2RyaXZlcnMvbnZkaW1tL3BtZW0uYwpAQCAtMzM4LDEz ICszMzgsNyBAQCBzdGF0aWMgdm9pZCBwbWVtX3JlbGVhc2VfZGlzayh2b2lkICpfX3BtZW0pCiAJ cHV0X2Rpc2socG1lbS0+ZGlzayk7CiB9CiAKLXN0YXRpYyB2b2lkIHBtZW1fcGFnZW1hcF9wYWdl X2ZyZWUoc3RydWN0IHBhZ2UgKnBhZ2UpCi17Ci0Jd2FrZV91cF92YXIoJnBhZ2UtPl9yZWZjb3Vu dCk7Ci19Ci0KIHN0YXRpYyBjb25zdCBzdHJ1Y3QgZGV2X3BhZ2VtYXBfb3BzIGZzZGF4X3BhZ2Vt YXBfb3BzID0gewotCS5wYWdlX2ZyZWUJCT0gcG1lbV9wYWdlbWFwX3BhZ2VfZnJlZSwKIAkua2ls bAkJCT0gcG1lbV9wYWdlbWFwX2tpbGwsCiAJLmNsZWFudXAJCT0gcG1lbV9wYWdlbWFwX2NsZWFu dXAsCiB9OwpkaWZmIC0tZ2l0IGEvbW0vbWVtcmVtYXAuYyBiL21tL21lbXJlbWFwLmMKaW5kZXgg MDNjY2JkZmViNjk3Li5lODk5ZmE4NzZhNjIgMTAwNjQ0Ci0tLSBhL21tL21lbXJlbWFwLmMKKysr IGIvbW0vbWVtcmVtYXAuYwpAQCAtMjcsNyArMjcsOCBAQCBzdGF0aWMgdm9pZCBkZXZtYXBfbWFu YWdlZF9lbmFibGVfcHV0KHZvaWQpCiAKIHN0YXRpYyBpbnQgZGV2bWFwX21hbmFnZWRfZW5hYmxl X2dldChzdHJ1Y3QgZGV2X3BhZ2VtYXAgKnBnbWFwKQogewotCWlmICghcGdtYXAtPm9wcyB8fCAh cGdtYXAtPm9wcy0+cGFnZV9mcmVlKSB7CisJaWYgKHBnbWFwLT50eXBlID09IE1FTU9SWV9ERVZJ Q0VfUFJJVkFURSAmJgorCSAgICAoIXBnbWFwLT5vcHMgfHwgIXBnbWFwLT5vcHMtPnBhZ2VfZnJl ZSkpIHsKIAkJV0FSTigxLCAiTWlzc2luZyBwYWdlX2ZyZWUgbWV0aG9kXG4iKTsKIAkJcmV0dXJu IC1FSU5WQUw7CiAJfQpAQCAtNDE0LDQ0ICs0MTUsNTEgQEAgdm9pZCBfX3B1dF9kZXZtYXBfbWFu YWdlZF9wYWdlKHN0cnVjdCBwYWdlICpwYWdlKQogewogCWludCBjb3VudCA9IHBhZ2VfcmVmX2Rl Y19yZXR1cm4ocGFnZSk7CiAKLQkvKgotCSAqIElmIHJlZmNvdW50IGlzIDEgdGhlbiBwYWdlIGlz IGZyZWVkIGFuZCByZWZjb3VudCBpcyBzdGFibGUgYXMgbm9ib2R5Ci0JICogaG9sZHMgYSByZWZl cmVuY2Ugb24gdGhlIHBhZ2UuCi0JICovCi0JaWYgKGNvdW50ID09IDEpIHsKLQkJLyogQ2xlYXIg QWN0aXZlIGJpdCBpbiBjYXNlIG9mIHBhcmFsbGVsIG1hcmtfcGFnZV9hY2Nlc3NlZCAqLwotCQlf X0NsZWFyUGFnZUFjdGl2ZShwYWdlKTsKLQkJX19DbGVhclBhZ2VXYWl0ZXJzKHBhZ2UpOworCS8q IHN0aWxsIGJ1c3kgKi8KKwlpZiAoY291bnQgPiAxKQorCQlyZXR1cm47CiAKLQkJbWVtX2Nncm91 cF91bmNoYXJnZShwYWdlKTsKKwkvKiBvbmx5IHRyaWdnZXJlZCBieSB0aGUgZGV2X3BhZ2VtYXAg c2h1dGRvd24gcGF0aCAqLworCWlmIChjb3VudCA9PSAwKSB7CisJCV9fcHV0X3BhZ2UocGFnZSk7 CisJCXJldHVybjsKKwl9CiAKLQkJLyoKLQkJICogV2hlbiBhIGRldmljZV9wcml2YXRlIHBhZ2Ug aXMgZnJlZWQsIHRoZSBwYWdlLT5tYXBwaW5nIGZpZWxkCi0JCSAqIG1heSBzdGlsbCBjb250YWlu IGEgKHN0YWxlKSBtYXBwaW5nIHZhbHVlLiBGb3IgZXhhbXBsZSwgdGhlCi0JCSAqIGxvd2VyIGJp dHMgb2YgcGFnZS0+bWFwcGluZyBtYXkgc3RpbGwgaWRlbnRpZnkgdGhlIHBhZ2UgYXMKLQkJICog YW4gYW5vbnltb3VzIHBhZ2UuIFVsdGltYXRlbHksIHRoaXMgZW50aXJlIGZpZWxkIGlzIGp1c3QK LQkJICogc3RhbGUgYW5kIHdyb25nLCBhbmQgaXQgd2lsbCBjYXVzZSBlcnJvcnMgaWYgbm90IGNs ZWFyZWQuCi0JCSAqIE9uZSBleGFtcGxlIGlzOgotCQkgKgotCQkgKiAgbWlncmF0ZV92bWFfcGFn ZXMoKQotCQkgKiAgICBtaWdyYXRlX3ZtYV9pbnNlcnRfcGFnZSgpCi0JCSAqICAgICAgcGFnZV9h ZGRfbmV3X2Fub25fcm1hcCgpCi0JCSAqICAgICAgICBfX3BhZ2Vfc2V0X2Fub25fcm1hcCgpCi0J CSAqICAgICAgICAgIC4uLmNoZWNrcyBwYWdlLT5tYXBwaW5nLCB2aWEgUGFnZUFub24ocGFnZSkg Y2FsbCwKLQkJICogICAgICAgICAgICBhbmQgaW5jb3JyZWN0bHkgY29uY2x1ZGVzIHRoYXQgdGhl IHBhZ2UgaXMgYW4KLQkJICogICAgICAgICAgICBhbm9ueW1vdXMgcGFnZS4gVGhlcmVmb3JlLCBp dCBpbmNvcnJlY3RseSwKLQkJICogICAgICAgICAgICBzaWxlbnRseSBmYWlscyB0byBzZXQgdXAg dGhlIG5ldyBhbm9uIHJtYXAuCi0JCSAqCi0JCSAqIEZvciBvdGhlciB0eXBlcyBvZiBaT05FX0RF VklDRSBwYWdlcywgbWlncmF0aW9uIGlzIGVpdGhlcgotCQkgKiBoYW5kbGVkIGRpZmZlcmVudGx5 IG9yIG5vdCBkb25lIGF0IGFsbCwgc28gdGhlcmUgaXMgbm8gbmVlZAotCQkgKiB0byBjbGVhciBw YWdlLT5tYXBwaW5nLgotCQkgKi8KLQkJaWYgKGlzX2RldmljZV9wcml2YXRlX3BhZ2UocGFnZSkp Ci0JCQlwYWdlLT5tYXBwaW5nID0gTlVMTDsKKwkvKiBub3RpZnkgcGFnZSBpZGxlIGZvciBkYXgg Ki8KKwlpZiAoIWlzX2RldmljZV9wcml2YXRlX3BhZ2UocGFnZSkpIHsKKwkJd2FrZV91cF92YXIo JnBhZ2UtPl9yZWZjb3VudCk7CisJCXJldHVybjsKKwl9CiAKLQkJcGFnZS0+cGdtYXAtPm9wcy0+ cGFnZV9mcmVlKHBhZ2UpOwotCX0gZWxzZSBpZiAoIWNvdW50KQotCQlfX3B1dF9wYWdlKHBhZ2Up OworCS8qIENsZWFyIEFjdGl2ZSBiaXQgaW4gY2FzZSBvZiBwYXJhbGxlbCBtYXJrX3BhZ2VfYWNj ZXNzZWQgKi8KKwlfX0NsZWFyUGFnZUFjdGl2ZShwYWdlKTsKKwlfX0NsZWFyUGFnZVdhaXRlcnMo cGFnZSk7CisKKwltZW1fY2dyb3VwX3VuY2hhcmdlKHBhZ2UpOworCisJLyoKKwkgKiBXaGVuIGEg ZGV2aWNlX3ByaXZhdGUgcGFnZSBpcyBmcmVlZCwgdGhlIHBhZ2UtPm1hcHBpbmcgZmllbGQKKwkg KiBtYXkgc3RpbGwgY29udGFpbiBhIChzdGFsZSkgbWFwcGluZyB2YWx1ZS4gRm9yIGV4YW1wbGUs IHRoZQorCSAqIGxvd2VyIGJpdHMgb2YgcGFnZS0+bWFwcGluZyBtYXkgc3RpbGwgaWRlbnRpZnkg dGhlIHBhZ2UgYXMgYW4KKwkgKiBhbm9ueW1vdXMgcGFnZS4gVWx0aW1hdGVseSwgdGhpcyBlbnRp cmUgZmllbGQgaXMganVzdCBzdGFsZQorCSAqIGFuZCB3cm9uZywgYW5kIGl0IHdpbGwgY2F1c2Ug ZXJyb3JzIGlmIG5vdCBjbGVhcmVkLiAgT25lCisJICogZXhhbXBsZSBpczoKKwkgKgorCSAqICBt aWdyYXRlX3ZtYV9wYWdlcygpCisJICogICAgbWlncmF0ZV92bWFfaW5zZXJ0X3BhZ2UoKQorCSAq ICAgICAgcGFnZV9hZGRfbmV3X2Fub25fcm1hcCgpCisJICogICAgICAgIF9fcGFnZV9zZXRfYW5v bl9ybWFwKCkKKwkgKiAgICAgICAgICAuLi5jaGVja3MgcGFnZS0+bWFwcGluZywgdmlhIFBhZ2VB bm9uKHBhZ2UpIGNhbGwsCisJICogICAgICAgICAgICBhbmQgaW5jb3JyZWN0bHkgY29uY2x1ZGVz IHRoYXQgdGhlIHBhZ2UgaXMgYW4KKwkgKiAgICAgICAgICAgIGFub255bW91cyBwYWdlLiBUaGVy ZWZvcmUsIGl0IGluY29ycmVjdGx5LAorCSAqICAgICAgICAgICAgc2lsZW50bHkgZmFpbHMgdG8g c2V0IHVwIHRoZSBuZXcgYW5vbiBybWFwLgorCSAqCisJICogRm9yIG90aGVyIHR5cGVzIG9mIFpP TkVfREVWSUNFIHBhZ2VzLCBtaWdyYXRpb24gaXMgZWl0aGVyCisJICogaGFuZGxlZCBkaWZmZXJl bnRseSBvciBub3QgZG9uZSBhdCBhbGwsIHNvIHRoZXJlIGlzIG5vIG5lZWQKKwkgKiB0byBjbGVh ciBwYWdlLT5tYXBwaW5nLgorCSAqLworCXBhZ2UtPm1hcHBpbmcgPSBOVUxMOworCXBhZ2UtPnBn bWFwLT5vcHMtPnBhZ2VfZnJlZShwYWdlKTsKIH0KIEVYUE9SVF9TWU1CT0woX19wdXRfZGV2bWFw X21hbmFnZWRfcGFnZSk7CiAjZW5kaWYgLyogQ09ORklHX0RFVl9QQUdFTUFQX09QUyAqLwotLSAK Mi4yNC4wCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpk cmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0 cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWw=